Received: 13 October 2020
Accepted: 20 June 2021
First Online: 6 July 2021
: All subjects were informed of the general aim of the study and their participation was fully voluntary. Informed written consent had been obtained and approved by the ethics committee for clinical research of Faculty of Medicine ASU.Date of ethical approval: 28 December 2017.Reference number: FMASU Msc 473/2017
: Not applicable.
: The authors declare that they have no competing interests.